Practice Questions

TLS Online TPP Program

#Question id: 10547

Which of the following responses are incorrect for closing of stomata?

#Unit 6. System Physiology – Plant

Fusicoccin-induced plasma membrane hyperpolarization in guard cells causes massive K+ uptake and permanent stomatal closing
MAMP flg22 appears to induce partial stomatal closure by inhibiting K+ uptake by guard cells
mutant npq1 fails to show any blue light responses and causes closing of stomata
Abscisic acid regulates seed maturation and stomatal closure in response to water stress

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TLS Online TPP Program

#Question id: 10602

#Unit 10. Ecological Principles

What are size of female population of butterfly (Breed once and one year life span ) after two year ?

Nt = 20 (initial population ) Nt+2 =?

Ro=1.5 number of female produced per female per generation

TLS Online TPP Program

#Question id: 919

#Unit 1. Molecules and their Interaction Relevant to Biology

Carnitine is:

TLS Online TPP Program

#Question id: 23357

#General Aptitude

In which of the following condition the class appears to be most effective?

TLS Online TPP Program

#Question id: 11565

#Unit 7. System Physiology – Animal

Portal blood vessels connect two capillary beds found in the ________.

TLS Online TPP Program

#Question id: 10202

#Unit 6. System Physiology – Plant

What will happen if C4 leaves are exposed to low O2 concentrations?